docs: def _parse_abbreviation(uri_link):
      """
      Returns a team's abbreviation.
  
      A school or team's abbreviation is generally embedded in a URI link which
      contains other relative link information. For example, the URI for the
      New England Patriots for the 2017 season is "/teams/nwe/2017.htm". This
      function strips all of the contents before and after "nwe" and converts it
      to uppercase and returns "NWE".
  
      Parameters
      ----------
      uri_link : string
          A URI link which contains a team's abbreviation within other link
          contents.
  
      Returns
      -------
      string
          The shortened uppercase abbreviation for a given team.
      """
      abbr = re.sub(r'/[0-9]+\..*htm.*', '', uri_link('a').attr('href'))
      abbr = re.sub(r'/.*/schools/', '', abbr)
      abbr = re.sub(r'/teams/', '', abbr)
      return abbr.upper()